--sqlserver 日常检查脚本 print '----------------------------' print ' 0.sqlserver all information ' print '----------------------------' print ' ' print '*********************************' --Step 1: Setting NULLs and quoted identifiers to ON and checking the version of SQL Server GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'prodver') AND OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table prodver create table prodver ([index] int, Name nvarchar(50),Internal_value int, Charcater_Value nvarchar(50)) insert into prodver exec xp_msver 'ProductVersion' if (select substring(Charcater_Value,1,1)from prodver)!=8 begin -- Step 2: This code will be used if the instance is Not SQL Server 2000 Declare @image_path nvarchar(100) Declare @startup_type int Declare @startuptype nvarchar(100) Declare @start_username nvarchar(100) Declare @instance_name nvarchar(100) Declare @system_instance_name nvarchar(100) Declare @log_directory nvarchar(100) Declare @key nvarchar(1000) Declare @registry_key nvarchar(100) Declare @registry_key1 nvarchar(300) Declare @registry_key2 nvarchar(300) Declare @IpAddress nvarchar(20) Declare @domain nvarchar(50) Declare @cluster int Declare @instance_name1 nvarchar(100) -- Step 3: Reading registry keys for IP,Binaries,Startup type ,startup username, errorlogs location and domain. SET @instance_name = coalesce(convert(nvarchar(100), serverproperty('InstanceName')),'MSSQLSERVER'); If @instance_name!='MSSQLSERVER' Set @instance_name=@instance_name Set @instance_name1= coalesce(convert(nvarchar(100), serverproperty('InstanceName')),'MSSQLSERVER'); If @instance_name1!='MSSQLSERVER' Set @instance_name1='MSSQL$'+@instance_name1 EXEC master.dbo.xp_regread N'HKEY_LOCAL_MACHINE', N'SoftwareMicrosoftMicrosoft SQL ServerInstance NamesSQL', @instance_name, @system_instance_name output; Set @key=N'SYSTEMCurrentControlSetServices' +@instance_name1; SET @registry_key = N'SoftwareMicrosoftMicrosoft SQL Server' + @system_instance_name + 'MSSQLServerParameters'; If @registry_key is NULL set @instance_name=coalesce(convert(nvarchar(100), serverproperty('InstanceName')),'MSSQLSERVER'); EXEC master.dbo.xp_regread N'HKEY_LOCAL_MACHINE', N'SoftwareMicrosoftMicrosoft SQL ServerInstance NamesSQL', @instance_name, @system_instance_name output; SET @registry_key = N'SoftwareMicrosoftMicrosoft SQL Server' + @system_instance_name + 'MSSQLServerParameters'; SET @registry_key1 = N'SoftwareMicrosoftMicrosoft SQL Server' + @system_instance_name + 'MSSQLServersupersocketnetlibTCPIP1'; SET @registry_key2 = N'SYSTEMControlSet001ServicesTcpipParameters'; EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@key,@value_name='ImagePath',@value=@image_path OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@key,@value_name='Start',@value=@startup_type OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@key,@value_name='ObjectName',@value=@start_username OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key,@value_name='SQLArg1',@value=@log_directory OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key1,@value_name='IpAddress',@value=@IpAddress OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key2,@value_name='Domain',@value=@domain OUTPUT Set @startuptype= (select 'Start Up Mode' = CASE WHEN @startup_type=2 then 'AUTOMATIC' WHEN @startup_type=3 then 'MANUAL' WHEN @startup_type=4 then 'Disabled' END) --Step 4: Getting the cluster node names if the server is on cluster .else this value will be NULL. declare @Out nvarchar(400) SELECT @Out = COALESCE(@Out+'' ,'') + Nodename from sys.dm_os_cluster_nodes -- Step 5: printing Server details SELECT @domain as 'Domain', serverproperty('ComputerNamePhysicalNetBIOS') as 'MachineName', CPU_COUNT as 'CPUCount', (physical_memory_in_bytes/1048576) as 'PhysicalMemoryMB', @Ipaddress as 'IP_Address', @instance_name1 as 'InstanceName', @image_path as 'BinariesPath', @log_directory as 'ErrorLogsLocation', @start_username as 'StartupUser', @Startuptype as 'StartupType', serverproperty('Productlevel') as 'ServicePack', serverproperty('edition') as 'Edition', serverproperty('productversion') as 'Version', serverproperty('collation') as 'Collation', serverproperty('Isclustered') as 'ISClustered', @out as 'ClusterNodes', serverproperty('IsFullTextInstalled') as 'ISFullText' From sys.dm_os_sys_info -- Step 6: Printing database details SELECT serverproperty ('ComputerNamePhysicalNetBIOS') as 'Machine' ,@instance_name1 as InstanceName, (SELECT 'file_type' = CASE WHEN s.groupid <> 0 THEN 'data' WHEN s.groupid = 0 THEN 'log' END) AS 'fileType' , d.dbid as 'DBID' , d.name AS 'DBName' , s.name AS 'LogicalFileName' , s.filename AS 'PhysicalFileName' , (s.size * 8 / 1024) AS 'FileSizeMB' -- file size in MB , d.cmptlevel as 'CompatibilityLevel' , DATABASEPROPERTYEX (d.name,'Recovery') as 'RecoveryModel' , DATABASEPROPERTYEX (d.name,'Status') as 'DatabaseStatus' , --, d.is_published as 'Publisher' --, d.is_subscribed as 'Subscriber' --, d.is_distributor as 'Distributor' (SELECT 'is_replication' = CASE WHEN d.category = 1 THEN 'Published' WHEN d.category = 2 THEN 'subscribed' WHEN d.category = 4 THEN 'Merge published' WHEN d.category = 8 THEN 'merge subscribed' Else 'NO replication' END) AS 'Is_replication' , m.mirroring_state as 'MirroringState' --INTO master.[dbo].[databasedetails] FROM sys.sysdatabases d INNER JOIN sys.sysaltfiles s ON d.dbid=s.dbid INNER JOIN sys.database_mirroring m ON d.dbid=m.database_id ORDER BY d.name --Step 7 :printing Backup details Select distinct b.machine_name as 'ServerName', b.server_name as 'InstanceName', b.database_name as 'DatabaseName', d.database_id 'DBID', CASE b.[type] WHEN 'D' THEN 'Full' WHEN 'I' THEN 'Differential' WHEN 'L' THEN 'Transaction Log' END as 'BackupType' --INTO [dbo].[backupdetails] from sys.databases d inner join msdb.dbo.backupset b On b.database_name =d.name End else begin --Step 8: If the instance is 2000 this code will be used. declare @registry_key4 nvarchar(100) declare @Host_Name varchar(100) declare @CPU varchar(3) declare @nodes nvarchar(400) set @nodes =null /* We are not able to trap the node names for SQL Server 2000 so far*/ declare @mirroring varchar(15) set @mirroring ='NOT APPLICABLE' /*Mirroring does not exist in SQL Server 2000*/ Declare @reg_node1 varchar(100) Declare @reg_node2 varchar(100) Declare @reg_node3 varchar(100) Declare @reg_node4 varchar(100) SET @reg_node1 = N'ClusterNodes1' SET @reg_node2 = N'ClusterNodes2' SET @reg_node3 = N'ClusterNodes3' SET @reg_node4 = N'ClusterNodes4' Declare @image_path1 varchar(100) Declare @image_path2 varchar(100) Declare @image_path3 varchar(100) Declare @image_path4 varchar(100) set @image_path1=null set @image_path2=null set @image_path3=null set @image_path4=null Exec master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@reg_node1, @value_name='NodeName',@value=@image_path1 OUTPUT Exec master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@reg_node2, @value_name='NodeName',@value=@image_path2 OUTPUT Exec master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@reg_node3, @value_name='NodeName',@value=@image_path3 OUTPUT Exec master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@reg_node4, @value_name='NodeName',@value=@image_path4 OUTPUT IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'nodes') AND OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table nodes Create table nodes (name varchar (20)) insert into nodes values (@image_path1) insert into nodes values (@image_path2) insert into nodes values (@image_path3) insert into nodes values (@image_path4) --declare @Out nvarchar(400) --declare @value nvarchar (20) SELECT @Out = COALESCE(@Out+'/' ,'') + name from nodes where name is not null -- Step 9: Reading registry keys for Number of CPUs,Binaries,Startup type ,startup username, errorlogs location and domain. SET @instance_name = coalesce(convert(nvarchar(100), serverproperty('InstanceName')),'MSSQLSERVER'); IF @instance_name!='MSSQLSERVER' BEGIN set @system_instance_name=@instance_name set @instance_name='MSSQL$'+@instance_name SET @key=N'SYSTEMCurrentControlSetServices' +@instance_name; SET @registry_key = N'SoftwareMicrosoftMicrosoft SQL Server' + @system_instance_name + 'MSSQLServerParameters'; SET @registry_key1 = N'SoftwareMicrosoftMicrosoft SQL Server' + @system_instance_name + 'Setup'; SET @registry_key2 = N'SYSTEMCurrentControlSetServicesTcpipParameters'; SET @registry_key4 = N'SYSTEMCurrentControlSetControlSession ManagerEnvironment' EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key1,@value_name='SQLPath',@value=@image_path OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@key,@value_name='Start',@value=@startup_type OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@key,@value_name='ObjectName',@value=@start_username OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key,@value_name='SQLArg1',@value=@log_directory OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key2,@value_name='Domain',@value=@domain OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key4,@value_name='NUMBER_OF_PROCESSORS',@value=@CPU OUTPUT END IF @instance_name='MSSQLSERVER' BEGIN SET @key=N'SYSTEMCurrentControlSetServices' +@instance_name; SET @registry_key = N'SoftwareMicrosoftMSSQLSERVERMSSQLServerParameters'; SET @registry_key1 = N'SoftwareMicrosoftMSSQLSERVERSetup'; SET @registry_key2 = N'SYSTEMCurrentControlSetServicesTcpipParameters'; SET @registry_key4 = N'SYSTEMCurrentControlSetControlSession ManagerEnvironment' EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key1,@value_name='SQLPath',@value=@image_path OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@key,@value_name='Start',@value=@startup_type OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@key,@value_name='ObjectName',@value=@start_username OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key,@value_name='SQLArg1',@value=@log_directory OUTPUT --EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key1,@value_name='IpAddress',@value=@IpAddress OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key2,@value_name='Domain',@value=@domain OUTPUT EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',@registry_key4,@value_name='NUMBER_OF_PROCESSORS',@value=@CPU OUTPUT END set @startuptype= (select 'Start Up Mode' = CASE WHEN @startup_type=2 then 'AUTOMATIC' WHEN @startup_type=3 then 'MANUAL' WHEN @startup_type=4 then 'Disabled' END) --Step 10 : Using ipconfig and xp_msver to get physical memory and IP IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'tmp') AND OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE tmp create table tmp (server varchar(100)default cast( serverproperty ('Machinename') as varchar),[index] int, name sysname,internal_value int,character_value varchar(30)) insert into tmp([index],name,internal_value,character_value) exec xp_msver PhysicalMemory IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'ipadd') AND OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table ipadd create table ipadd (server varchar(100)default cast( serverproperty ('Machinename') as varchar),IP varchar (100)) insert into ipadd (IP)exec xp_cmdshell 'ipconfig' delete from ipadd where ip not like '%IP Address.%' or IP is null -- Step 11 : Getting the Server details SELECT top 1 @domain as 'Domain', serverproperty('Machinename') as 'MachineName', @CPU as 'CPUCount', cast (t.internal_value as bigint) as PhysicalMemoryMB, cast(substring ( I.IP , 44,41) as nvarchar(20))as IP_Address, serverproperty('Instancename') as 'InstanceName', @image_path as 'BinariesPath', @log_directory as 'ErrorLogsLocation', @start_username as 'StartupUser', @Startuptype as 'StartupType', serverproperty('Productlevel') as 'ServicePack', serverproperty('edition') as 'Edition', serverproperty('productversion') as 'Version', serverproperty('collation') as 'Collation', serverproperty('Isclustered') as 'ISClustered', @Out as 'ClustreNodes', serverproperty('IsFullTextInstalled') as 'ISFullText' From tmp t inner join IPAdd I on t.server = I.server --Step 12 : Getting the instance details SELECT serverproperty ('Machinename') as 'Machine', serverproperty ('Instancename') as 'InstanceName', (SELECT 'file_type' = CASE WHEN s.groupid <> 0 THEN 'data' WHEN s.groupid = 0 THEN 'log' END) AS 'fileType' , d.dbid as 'DBID' , d.name AS 'DBName' , s.name AS 'LogicalFileName' , s.filename AS 'PhysicalFileName' , (s.size * 8 / 1024) AS 'FileSizeMB' -- file size in MB ,d.cmptlevel as 'CompatibilityLevel' , DATABASEPROPERTYEX (d.name,'Recovery') as 'RecoveryModel' , DATABASEPROPERTYEX (d.name,'Status') as 'DatabaseStatus' , (SELECT 'is_replication' = CASE WHEN d.category = 1 THEN 'Published' WHEN d.category = 2 THEN 'subscribed' WHEN d.category = 4 THEN 'Merge published' WHEN d.category = 8 THEN 'merge subscribed' Else 'NO replication' END) AS 'Is_replication', @Mirroring as 'MirroringState' FROM sysdatabases d INNER JOIN sysaltfiles s ON d.dbid=s.dbid ORDER BY d.name --Step 13 : Getting backup details Select distinct b.machine_name as 'ServerName', b.server_name as 'InstanceName', b.database_name as 'DatabaseName', d.dbid 'DBID', CASE b.[type] WHEN 'D' THEN 'Full' WHEN 'I' THEN 'Differential' WHEN 'L' THEN 'Transaction Log' END as 'BackupType' from sysdatabases d inner join msdb.dbo.backupset b On b.database_name =d.name --Step 14: Dropping the table we created for IP and Physical memory Drop Table TMP Drop Table IPADD drop table Nodes end go --Step 15 : Setting Nulls and Quoted identifier back to Off SET ANSI_NULLS OFF GO SET QUOTED_IDENTIFIER OFF GO print '*********************************' print ' ' print ' ' print ' ' print ' ' print '----------------------------' print ' 1.sqlserver all information ' print '----------------------------' print ' ' print '*********************************' use master go print 'ths information about sqlserver ' print ' ' print @@version go print ' ' print ' ' select cast(serverproperty('productversion') as varchar(30)) as 产品版本号, cast(serverproperty('productlevel') as varchar(30)) as sp_level, cast(serverproperty('edition') as varchar(30)) as 版本 go print ' ' print ' ' print 'SQLSERVER max user connect ' print ' ' print @@max_connections go print '*********************************' print ' ' print ' ' print ' ' print '----------------------------' print '2.查看服务器有哪些数据库' print '----------------------------' print '*********************************' print ' ' SELECT DatabaseName,DataSize,LogSize,DataSize+LogSize AS TotalSize, Collation, RecoveryType,AutoClose,AutoShrink FROM (SELECT DBID, CASE Sum(size*8/1024) WHEN 0 THEN 1 ELSE Sum(size*8/1024) END AS DataSize FROM master..sysaltfiles WHERE GroupID <> 0 GROUP BY DBID) q1 INNER JOIN (SELECT DBID, CASE Sum(size*8/1024) WHEN 0 THEN 1 ELSE Sum(size*8/1024) END AS LogSize FROM master..sysaltfiles WHERE GroupID = 0 GROUP BY DBID) q2 ON q1.DBID = q2.DBID INNER JOIN (SELECT DBID, [name] AS DatabaseName, CONVERT(varchar(100),DATABASEPROPERTYEX([Name], 'Collation')) AS Collation, CONVERT(varchar(100),DATABASEPROPERTYEX([Name], 'Recovery')) AS RecoveryType, CASE CONVERT(varchar(10),DATABASEPROPERTYEX([Name], 'IsAutoClose')) WHEN 0 THEN '-' WHEN 1 THEN 'Yes' END AS AutoClose, CASE CONVERT(varchar(10),DATABASEPROPERTYEX([Name], 'IsAutoShrink')) WHEN 0 THEN '-' WHEN 1 THEN 'Yes' END AS AutoShrink FROM master.dbo.sysdatabases) q3 ON q1.DBID = q3.dbid ORDER BY DatabaseName print '*********************************' print ' ' print ' ' print ' ' print '----------------------------' print '3.查看每个数据库具体结构信息' print'----------------------------' print '*********************************' print ' ' use master go declare @databasename varchar(50) declare cur01 cursor for select name from sys.databases open cur01 fetch next from cur01 into @databasename while @@fetch_status=0 begin begin select 'databasename: '+ @databasename print ' ' exec sp_helpdb @databasename end fetch next from cur01 into @databasename; end; close cur01 deallocate cur01 go print '*********************************' print ' ' print ' ' print ' ' print '----------------------------' print '4.1所有数据库的index ' print '----------------------------' print '*********************************' use master go BEGIN CREATE TABLE #INDEXFRAGINFO ( DatabaseName nvarchar(128), DatabaseID smallint, full_obj_name nvarchar(384), index_id INT, [name] nvarchar(128), index_type_desc nvarchar(60), index_depth tinyint, index_level tinyint, [AVG Fragmentation] float, fragment_count bigint, [Rank] bigint ) DECLARE @command VARCHAR(1000) SELECT @command = 'Use [' + '?' + '] select ' + '''' + '?' + '''' + ' AS DatabaseName, DB_ID() AS DatabaseID, QUOTENAME(DB_NAME(i.database_id), '+ '''' + '"' + '''' +')+ N'+ '''' + '.' + '''' +'+ QUOTENAME(OBJECT_SCHEMA_NAME(i.object_id, i.database_id), '+ '''' + '"' + '''' +')+ N'+ '''' + '.' + '''' +'+ QUOTENAME(OBJECT_NAME(i.object_id, i.database_id), '+ '''' + '"' + '''' +') as full_obj_name, i.index_id, o.name, i.index_type_desc, i.index_depth, i.index_level, i.avg_fragmentation_in_percent as [AVG Fragmentation], i.fragment_count, i.rnk as Rank from ( select *, DENSE_RANK() OVER(PARTITION by database_id ORDER BY avg_fragmentation_in_percent DESC) as rnk from sys.dm_db_index_physical_stats(DB_ID(), default, default, default,'+ '''' + 'limited' + '''' +') where avg_fragmentation_in_percent >0 AND INDEX_ID > 0 AND Page_Count > 500 ) as i join sys.indexes o on o.object_id = i.object_id and o.index_id = i.index_id where i.rnk <= 25 order by i.database_id, i.rnk;' INSERT #INDEXFRAGINFO EXEC sp_MSForEachDB @command SELECT substring(databasename,0,30) as databasename ,ltrim(databaseID) as databaseID,substring(full_obj_name,0,50) as full_obj_name , ltrim(index_id) as index_id, [name], index_type_desc, ltrim(index_depth) as index_depth, ltrim(index_level) as index_level, ltrim([AVG Fragmentation]) as [AVG Fragmentation] , ltrim(fragment_count) as fragment_count, ltrim([Rank]) as [Rank] FROM #INDEXFRAGINFO Where DatabaseID > 4 order by [RANK]; DROP TABLE #INDEXFRAGINFO END GO print '*********************************' print ' ' print ' ' print ' ' print '----------------------------' print '4.2找出很少使用的index ' print '----------------------------' print '*********************************' declare @dbid int select @dbid = db_id() select objectname=object_name(s.object_id), s.object_id , indexname=i.name, i.index_id , user_seeks AS 搜索次数, user_scans AS 扫描次数, user_lookups AS 查找次数, user_updates 更新次数 from sys.dm_db_index_usage_stats s, sys.indexes i where database_id = @dbid and objectproperty(s.object_id,'IsUserTable') = 1 and i.object_id = s.object_id and i.index_id = s.index_id order by (user_seeks + user_scans + user_lookups + user_updates) asc go print ' ' print ' ' print ' ' print '----------------------------' print '4.3所有数据库未使用的索引 ' print '----------------------------' print '*********************************' SELECT TOP 1 DatabaseName = DB_NAME() ,TableName = OBJECT_NAME(s.[object_id]) ,IndexName = i.name ,user_updates ,system_updates -- Useful fields below: --, * INTO #TempUnusedIndexes FROM sys.dm_db_index_usage_stats s INNER JOIN sys.indexes i ON s.[object_id] = i.[object_id] AND s.index_id = i.index_id WHERE s.database_id = DB_ID() AND OBJECTPROPERTY(s.[object_id], 'IsMsShipped') = 0 AND user_seeks = 0 AND user_scans = 0 AND user_lookups = 0 AND s.[object_id] = -999 -- Dummy value to get table structure. ; -- Loop around all the databases on the server. EXEC sp_MSForEachDB 'USE [?]; -- Table already exists. INSERT INTO #TempUnusedIndexes SELECT TOP 10 DatabaseName = DB_NAME() ,TableName = OBJECT_NAME(s.[object_id]) ,IndexName = i.name ,user_updates ,system_updates FROM sys.dm_db_index_usage_stats s INNER JOIN sys.indexes i ON s.[object_id] = i.[object_id] AND s.index_id = i.index_id WHERE s.database_id = DB_ID() AND OBJECTPROPERTY(s.[object_id], ''IsMsShipped'') = 0 AND user_seeks = 0 AND user_scans = 0 AND user_lookups = 0 AND i.name IS NOT NULL -- Ignore HEAP indexes. ORDER BY user_updates DESC ; ' -- Select records. SELECT TOP 10 * FROM #TempUnusedIndexes ORDER BY [user_updates] DESC -- Tidy up. DROP TABLE #TempUnusedIndexes print ' ' print ' ' print ' ' print '----------------------------' print '4.4所有数据库高开销的缺失索引 ' print '----------------------------' print '*********************************' SELECT TOP 10 [Total Cost] = ROUND(avg_total_user_cost * avg_user_impact * (user_seeks + user_scans),0) , avg_user_impact , TableName = statement , [EqualityUsage] = equality_columns , [InequalityUsage] = inequality_columns , [Include Cloumns] = included_columns FROM sys.dm_db_missing_index_groups g INNER JOIN sys.dm_db_missing_index_group_stats s ON s.group_handle = g.index_group_handle INNER JOIN sys.dm_db_missing_index_details d ON d.index_handle = g.index_handle ORDER BY [Total Cost] DESC; print ' ' print ' ' print ' ' print '----------------------------' print '5.查询数据库IO ' print '----------------------------' print '*********************************' go WITH IOFORDATABASE AS ( SELECT DB_NAME(VFS.database_id) AS DatabaseName ,CASE WHEN smf.type = 1 THEN 'LOG_FILE' ELSE 'DATA_FILE' END AS DatabaseFile_Type ,SUM(VFS.num_of_bytes_written) AS IO_Write ,SUM(VFS.num_of_bytes_read) AS IO_Read ,SUM(VFS.num_of_bytes_read + VFS.num_of_bytes_written) AS Total_IO ,SUM(VFS.io_stall) AS IO_STALL FROM sys.dm_io_virtual_file_stats(NULL, NULL) AS VFS JOIN sys.master_files AS smf ON VFS.database_id = smf.database_id AND VFS.file_id = smf.file_id GROUP BY DB_NAME(VFS.database_id) ,smf.type ) SELECT ltrim(ROW_NUMBER() OVER(ORDER BY io_stall DESC)) AS RowNumber ,substring(DatabaseName,1,30) as DatabaseName ,DatabaseFile_Type ,ltrim(CAST(1.0 * IO_Read/ (1024 * 1024) AS DECIMAL(12, 2))) AS IO_Read_MB ,ltrim(CAST(1.0 * IO_Write/ (1024 * 1024) AS DECIMAL(12, 2))) AS IO_Write_MB ,ltrim(CAST(1. * Total_IO / (1024 * 1024) AS DECIMAL(12, 2))) AS IO_TOTAL_MB ,ltrim(CAST(IO_STALL / 1000. AS DECIMAL(12, 2))) AS IO_STALL_Seconds ,ltrim(CAST(100. * IO_STALL / SUM(IO_STALL) OVER() AS DECIMAL(10, 2))) AS IO_STALL_Pct FROM IOFORDATABASE ORDER BY IO_STALL_Seconds DESC; go print '*********************************' print ' ' print ' ' print ' ' print '----------------------------' print '6.查看数据库是否有死锁 ' print '----------------------------' print '*********************************' use master go select ltrim(request_session_id) "会话ID", substring(resource_type,1,30) "被锁定的资源", resource_database_id "数据库", object_name(resource_associated_entity_id) "对象", request_mode "资源模式", request_status "锁状态" from sys.dm_tran_locks go print '*********************************' print ' ' print ' ' print ' ' print '----------------------------' print '7.查看性能统计信息 ' print'----------------------------' print '*********************************' use master go dbcc freeproccache go select t.text as "执行的文本", st.total_logical_reads as "逻辑读取总次数", st.total_physical_reads as "物理读取总次数", st.total_elapsed_time/1000000 as "占用的总时间", st.total_logical_writes as "逻辑写入总次数" from sys.dm_exec_query_stats st cross apply sys.dm_exec_sql_text(st.sql_handle) t go print '*********************************' print ' ' print ' ' print ' ' print '----------------------------' print '8.临时数据库使用情况 ' print '----------------------------' print '*********************************' use master go select ltrim(sum(user_object_reserved_page_count)*8) as user_objects_kb, ltrim(sum(internal_object_reserved_page_count)*8) as internal_objects_kb, ltrim(sum(version_store_reserved_page_count)*8) as version_store_kb, ltrim(sum(unallocated_extent_page_count)*8) as freespace_kb from sys.dm_db_file_space_usage where database_id = 2 go print '*********************************' print ' ' print ' ' print ' ' print '----------------------------' print '9.查CPU瓶颈 ' print '----------------------------' print '*********************************' use master go Select ltrim(scheduler_id) as scheduler_id, ltrim(current_tasks_count) as current_tasks_count , ltrim(runnable_tasks_count) as current_tasks_count from sys.dm_os_schedulers where scheduler_id<255 go print '*********************************' print ' ' print ' ' print ' ' print '------------------------------------------' print '10.当前被缓存的消耗CPU资源最多的批处理或者过程' print '------------------------------------------' print '*********************************' use master go Select top 50 ltrim(sum(total_worker_time)) as total_cpu_time, ltrim(sum(execution_count)) as total_execution_count, ltrim(count(*)) as number_of_statements,plan_handle from sys.dm_exec_query_stats qs group by plan_handle order by sum(total_worker_time) desc go print '*********************************' print ' ' print ' ' print ' ' print '--------------------------------------------' print '11.查询前100个缓存使用率高、最消耗缓存的sql语句' print '--------------------------------------------' print '*********************************' use master go select top 100 ltrim(usecounts) as usecounts, objtype, ltrim(p.size_in_bytes) as size_in_bytes , sql.text from sys.dm_exec_cached_plans p outer apply sys.dm_exec_sql_text(p.plan_handle) sql order by usecounts desc go print '*********************************' print ' ' print ' ' print ' ' print '---------------------------------------------------------------' print '12.解数据库中的缓存情况，包括被使用的次数、缓存类型、占用的内存大小' print '---------------------------------------------------------------' print '*********************************' use master go SELECT usecounts=ltrim(usecounts), substring(cacheobjtype,1,30) as cacheobjtype, objtype,ltrim(size_in_bytes) as size_in_bytes, plan_handle FROM sys.dm_exec_cached_plans go print '*********************************' print ' ' print ' ' print ' ' print '----------------------------' print '13.计划缓存总数' print '----------------------------' print '*********************************' use master go Select ltrim(Count(*)) CNT, cast(sum(size_in_bytes)/1024/1024 as varchar(100))+' MB' TotalSize From sys.dm_exec_cached_plans go print '*********************************' print ' ' print ' ' print ' ' print '--------------------------------------' print '14.检查SQL Server的执行缓存和数据缓存占用' print '--------------------------------------' print '*********************************' use master go dbcc memorystatus go print '*********************************' print ' ' print ' ' print ' ' print '-------------------------------------' print '15.所有数据库备份情况' print '-------------------------------------' print '*********************************' -- sql server 2000/2005 version use master go set nocount on go declare @counter smallint declare @dbname varchar(100) declare @db_bkpdate varchar(100) declare @status varchar(20) declare @svr_name varchar(100) declare @media_set_id varchar(20) declare @filepath varchar(1000) declare @filestatus int declare @fileavailable varchar(20) declare @backupsize float select @counter=max(dbid) from master..sysdatabases create table #backup_details ( servername varchar(100), databasename varchar(100), bkpdate varchar(20) null, backupsize_in_mb varchar(20), status varchar(20), filepath varchar(1000), fileavailable varchar(200) ) select @svr_name = cast(serverproperty('servername')as sysname) while @counter > 0 begin /* need to re-initialize all variables*/ select @dbname = null , @db_bkpdate = null , @media_set_id = null , @backupsize = null , @filepath = null , @filestatus = null , @fileavailable = null , @status = null , @backupsize = null select @dbname = name from master..sysdatabases where dbid = @counter select @db_bkpdate = max(backup_start_date) from msdb..backupset where database_name = @dbname and type='d' select @media_set_id = media_set_id from msdb..backupset where backup_start_date = ( select max(backup_start_date) from msdb..backupset where database_name = @dbname and type='d') select @backupsize = backup_size from msdb..backupset where backup_start_date = ( select max(backup_start_date) from msdb..backupset where database_name = @dbname and type='d') select @filepath = physical_device_name from msdb..backupmediafamily where media_set_id = @media_set_id exec master..xp_fileexist @filepath , @filestatus out if @filestatus = 1 set @fileavailable = 'available' else set @fileavailable = 'not available' if (datediff(day,@db_bkpdate,getdate()) > 7) set @status = 'warning' else set @status = 'healthy' set @backupsize = (@backupsize/1024)/1024 insert into #backup_details select @svr_name,@dbname,@db_bkpdate,@backupsize,@status,@filepath,@fileavailable update #backup_details set status = 'warning' where bkpdate is null set @counter = @counter - 1 end select substring(servername,0,20) AS [服务器名], substring(databasename,0,20) AS [数据库名], rtrim(ltrim(bkpdate)) AS [备份日期], rtrim(ltrim(backupsize_in_mb)) AS [备份大小], rtrim(ltrim([status])) AS [备份状态], substring(rtrim(ltrim(filepath)),0,40) AS [备份文件路径], rtrim(fileavailable) AS [备份文件是否可用] from #backup_details where databasename not in ('tempdb','northwind','pubs') drop table #backup_details set nocount off go print '*********************************' print ' ' print ' ' print ' ' print '-------------------------------------' print '16.监控CPU瓶颈' print '-------------------------------------' print '*********************************' use master go print '-------------------------------------' print '16.1当前缓存的哪些批处理或过程占用了大部分 CPU 资源' print '-------------------------------------' SELECT TOP 50 ltrim(SUM(qs.total_worker_time)) AS total_cpu_time, ltrim(SUM(qs.execution_count)) AS total_execution_count, ltrim(COUNT(*)) AS number_of_statements, qs.sql_handle FROM sys.dm_exec_query_stats AS qs GROUP BY qs.sql_handle ORDER BY SUM(qs.total_worker_time) DESC go print ' ' print ' ' print '-------------------------------------------------------' print '16.2查询显示缓存计划所占用的 CPU 总使用率（带 SQL 文本）' print '-------------------------------------------------------' SELECT total_cpu_time, total_execution_count, number_of_statements, s2.text --(SELECT SUBSTRING(s2.text, statement_start_offset / 2, ((CASE WHEN statement_end_offset = -1 THEN (LEN(CONVERT(NVARCHAR(MAX), s2.text)) * 2) ELSE statement_end_offset END) - statement_start_offset) / 2) ) AS query_text FROM (SELECT TOP 50 SUM(qs.total_worker_time) AS total_cpu_time, SUM(qs.execution_count) AS total_execution_count, COUNT(*) AS number_of_statements, qs.sql_handle --, --MIN(statement_start_offset) AS statement_start_offset, --MAX(statement_end_offset) AS statement_end_offset FROM sys.dm_exec_query_stats AS qs GROUP BY qs.sql_handle ORDER BY SUM(qs.total_worker_time) DESC) AS stats CROSS APPLY sys.dm_exec_sql_text(stats.sql_handle) AS s2 go print ' ' print ' ' print '-------------------------------------------------------' print '16.3显示 CPU 平均占用率最高的前 50 个 SQL 语句' print '-------------------------------------------------------' SELECT TOP 50 total_worker_time/execution_count AS [Avg CPU Time], (SELECT SUBSTRING(text,statement_start_offset/2,(CASE WHEN statement_end_offset = -1 then LEN(CONVERT(nvarchar(max), text)) * 2 ELSE statement_end_offset end -statement_start_offset)/2) FROM sys.dm_exec_sql_text(sql_handle)) AS query_text, * FROM sys.dm_exec_query_stats ORDER BY [Avg CPU Time] DESC go print ' ' print ' ' print '-------------------------------------------------------' print '16.4找出过多编译/重新编译的 DMV 查询' print '-------------------------------------------------------' select * from sys.dm_exec_query_optimizer_info where counter = 'optimizations' or counter = 'elapsed time' go print ' ' print ' ' print '-------------------------------------------------------' print '16.5显示已重新编译的前 25 个存储过程' print '-------------------------------------------------------' select top 25 sql_text.text, sql_handle, plan_generation_num, execution_count, dbid, objectid from sys.dm_exec_query_stats a cross apply sys.dm_exec_sql_text(sql_handle) as sql_text where plan_generation_num > 1 order by plan_generation_num desc go print ' ' print ' ' print '-------------------------------------------------------' print '16.6哪个查询占用了最多的 CPU 累计使用率' print '-------------------------------------------------------' SELECT ltrim(highest_cpu_queries.plan_handle) as plan_handle, ltrim(highest_cpu_queries.total_worker_time) as total_worker_time, q.dbid, ltrim(q.objectid), q.number, q.encrypted, q.[text] from (select top 50 qs.plan_handle, qs.total_worker_time from sys.dm_exec_query_stats qs order by qs.total_worker_time desc) as highest_cpu_queries cross apply sys.dm_exec_sql_text(plan_handle) as q order by highest_cpu_queries.total_worker_time desc go print ' ' print ' ' print '-------------------------------------------------------' print '16.7可能占用大量 CPU 使用率的运算符 print '-------------------------------------------------------' select * from sys.dm_exec_cached_plans cross apply sys.dm_exec_query_plan(plan_handle) where cast(query_plan as nvarchar(max)) like '%Sort%' or cast(query_plan as nvarchar(max)) like '%Hash Match%' go print ' ' print ' ' print '-------------------------------------------------------' print '17.内存瓶颈' print '-------------------------------------------------------' print ' ' print ' ' print '-------------------------------------------------------' print '17.1确保已启用 SQL Server 中的高级选项' print '-------------------------------------------------------' use master go sp_configure 'show advanced options' go sp_configure 'show advanced options', 1 go reconfigure go print ' ' print ' ' print '-------------------------------------------------------' print '17.2运行以下查询以检查内存相关配置选项' print '-------------------------------------------------------' sp_configure 'awe_enabled' go sp_configure 'min server memory' go sp_configure 'max server memory' go sp_configure 'min memory per query' go sp_configure 'query wait' go print ' ' print ' ' print '-------------------------------------------------------' print '17.3查看 CPU、计划程序内存和缓冲池信息' print '-------------------------------------------------------' select ltrim(cpu_count) as cpu_count, ltrim(hyperthread_ratio) as hyperthread_ratio, ltrim(scheduler_count) as scheduler_count, ltrim(physical_memory_in_bytes / 1024 / 1024) as physical_memory_mb, ltrim(virtual_memory_in_bytes / 1024 / 1024) as virtual_memory_mb, ltrim(bpool_committed * 8 / 1024) as bpool_committed_mb, ltrim(bpool_commit_target * 8 / 1024) as bpool_target_mb, ltrim(bpool_visible * 8 / 1024) as bpool_visible_mb from sys.dm_os_sys_info go print ' ' print ' ' print '-------------------------------------------------------' print '17.4I/O 瓶颈' print '-------------------------------------------------------' select wait_type, ltrim(waiting_tasks_count) as waiting_tasks_count , ltrim(wait_time_ms) as wait_time_ms , ltrim(signal_wait_time_ms) as signal_wait_time_ms, ltrim(wait_time_ms / waiting_tasks_count) as avgtime from sys.dm_os_wait_stats where wait_type like 'PAGEIOLATCH%' and waiting_tasks_count > 0 order by wait_type go print ' ' print ' ' print '-------------------------------------------------------' print '17.5查找当前挂起的 I/O 请求' print '-------------------------------------------------------' print '正常情况下不返回任何值' select database_id, file_id, io_stall, io_pending_ms_ticks, scheduler_address from sys.dm_io_virtual_file_stats(NULL, NULL)t1, sys.dm_io_pending_io_requests as t2 where t1.file_handle = t2.io_handle go print ' ' print ' ' print '-------------------------------------------------------' print '17.6查看IO相关查询读取次数' print '-------------------------------------------------------' select top 5 (total_logical_reads/execution_count) as avg_logical_reads, (total_logical_writes/execution_count) as avg_logical_writes, (total_physical_reads/execution_count) as avg_physical_reads, Execution_count, statement_start_offset, p.query_plan, q.text from sys.dm_exec_query_stats cross apply sys.dm_exec_query_plan(plan_handle) p cross apply sys.dm_exec_sql_text(plan_handle) as q order by (total_logical_reads + total_logical_writes)/execution_count Desc go print ' ' print ' ' print '-------------------------------------------------------' print '17.7查找哪些批处理/请求生成的 I/O 最多' print '-------------------------------------------------------' select top 5 ltrim(total_logical_reads/execution_count) as avg_logical_reads, ltrim(total_logical_writes/execution_count) as avg_logical_writes, ltrim(total_physical_reads/execution_count) as avg_phys_reads, ltrim(Execution_count) as Execution_count, ltrim(statement_start_offset) as stmt_start_offset, sql_handle, plan_handle from sys.dm_exec_query_stats order by (total_logical_reads + total_logical_writes) Desc go print ' ' print ' ' print '-------------------------------------------------------' print '18.阻塞' print '-------------------------------------------------------' print ' ' print ' ' print '-------------------------------------------------------' print '18.1 确定阻塞的会话' print '-------------------------------------------------------' use master go select blocking_session_id, wait_duration_ms, session_id from sys.dm_os_waiting_tasks where blocking_session_id is not null go print ' ' print ' ' print '-------------------------------------------------------' print '18.2 SQL 等待分析和前 10 个等待的资源' print '-------------------------------------------------------' select top 10 ltrim(wait_type) as wait_type, ltrim(waiting_tasks_count) as waiting_tasks_count, ltrim(wait_time_ms) as wait_time_ms, ltrim(max_wait_time_ms) as max_wait_time_ms, ltrim(signal_wait_time_ms) as signal_wait_time_ms from sys.dm_os_wait_stats --where wait_type not in ('CLR_SEMAPHORE','LAZYWRITER_SLEEP','RESOURCE_QUEUE','SLEEP_TASK','SLEEP_SYSTEMTASK','WAITFOR') order by wait_time_ms desc go print ' ' print ' ' print '-------------------------------------------------------' print '19. 查看各个数据库性能负载' print '-------------------------------------------------------' SELECT substring (a.name,0,12) as [数据库名], [连接数] = (SELECT COUNT(*) FROM master..sysprocesses b WHERE a.dbid = b.dbid), [阻塞进程] = (SELECT COUNT(*) FROM master..sysprocesses b WHERE a.dbid = b.dbid AND blocked <> 0), [总内存] = ISNULL((SELECT SUM(memusage) FROM master..sysprocesses b WHERE a.dbid = b.dbid),0), [总IO] = ISNULL((SELECT SUM(physical_io) FROM master..sysprocesses b WHERE a.dbid = b.dbid),0), [总CPU] = ISNULL((SELECT SUM(cpu) FROM master..sysprocesses b WHERE a.dbid = b.dbid),0), [总等待时间] = ISNULL((SELECT SUM(waittime) FROM master..sysprocesses b WHERE a.dbid = b.dbid),0), [SELECTs] = (SELECT COUNT(*) FROM master..sysprocesses b WHERE a.dbid = b.dbid AND b.cmd LIKE '%SELECT%'), [DELETEs] = (SELECT COUNT(*) FROM master..sysprocesses b WHERE a.dbid = b.dbid AND b.cmd LIKE '%DELETE%'), [DBCC Commands] = ISNULL((SELECT COUNT(*) FROM master..sysprocesses b WHERE a.dbid = b.dbid and b.cmd like '%DBCC%'),0), [BCP Running] = ISNULL((SELECT COUNT(*) FROM master..sysprocesses b WHERE a.dbid = b.dbid and b.cmd like '%BCP%'),0), [Backups Running] = ISNULL((SELECT COUNT(*) FROM master..sysprocesses b WHERE a.dbid = b.dbid and b.cmd LIKE '%BACKUP%'),0) FROM master.dbo.sysdatabases a WITH (nolock) WHERE DatabasePropertyEx(a.name,'Status') = 'ONLINE' ORDER BY [数据库名] go print ' ' print ' ' print '-------------------------------------------------------' print '20. 查看所有数据库大小、恢复模式等信息' print '-------------------------------------------------------' SELECT substring (DatabaseName,0,12) as DatabaseName,DataSize,LogSize,DataSize+LogSize AS TotalSize, Collation, RecoveryType,AutoClose,AutoShrink FROM (SELECT DBID, CASE Sum(size*8/1024) WHEN 0 THEN 1 ELSE Sum(size*8/1024) END AS DataSize FROM master..sysaltfiles WHERE GroupID <> 0 GROUP BY DBID) q1 INNER JOIN (SELECT DBID, CASE Sum(size*8/1024) WHEN 0 THEN 1 ELSE Sum(size*8/1024) END AS LogSize FROM master..sysaltfiles WHERE GroupID = 0 GROUP BY DBID) q2 ON q1.DBID = q2.DBID INNER JOIN (SELECT DBID, [name] AS DatabaseName, CONVERT(varchar(100),DATABASEPROPERTYEX([Name], 'Collation')) AS Collation, CONVERT(varchar(100),DATABASEPROPERTYEX([Name], 'Recovery')) AS RecoveryType, CASE CONVERT(varchar(10),DATABASEPROPERTYEX([Name], 'IsAutoClose')) WHEN 0 THEN '-' WHEN 1 THEN 'Yes' END AS AutoClose, CASE CONVERT(varchar(10),DATABASEPROPERTYEX([Name], 'IsAutoShrink')) WHEN 0 THEN '-' WHEN 1 THEN 'Yes' END AS AutoShrink FROM master.dbo.sysdatabases) q3 ON q1.DBID = q3.dbid ORDER BY DatabaseName print ' ' print ' ' print '-------------------------------------------------------' print '21. 查看数据库群集信息' print '-------------------------------------------------------' PRINT ' **** Cluster Information ****' PRINT ' ' PRINT ' The following is information on the cluster you are connected' PRINT ' ' PRINT '... Name of all nodes used and are part of this failover cluster' SELECT * FROM sys.dm_os_cluster_nodes PRINT ' ' PRINT '... Node which is the active ' SELECT SERVERPROPERTY('ComputerNamePhysicalNetBIOS') PRINT ' ' PRINT '... Drive letters that are part of the resourse group which contain the data and log files' SELECT * FROM sys.dm_io_cluster_shared_drives go print ' ' print ' ' print '-------------------------------------------------------' print '22. 当前数据库服务器登录用户、会话连接数、认证类型' print '-------------------------------------------------------' SELECT '认证方式'=( CASE WHEN nt_user_name IS not null THEN 'windows认证' ELSE 'SQL认证' END), login_name AS '登录名', ISNULL(nt_user_name,'-') AS 'Windows登录名', COUNT(session_id) AS '会话数' FROM sys.dm_exec_sessions GROUP BY login_name,nt_user_name go print ' ' print ' ' print '-------------------------------------------------------' print '23. 查看执行效率低的语句' print '-------------------------------------------------------' SELECT creation_time N'语句编译时间' ,last_execution_time N'上次执行时间' ,total_physical_reads N'物理读取总次数' ,total_logical_reads/execution_count N'每次逻辑读次数' ,total_logical_reads N'逻辑读取总次数' ,total_logical_writes N'逻辑写入总次数' ,execution_count N'执行次数' ,total_worker_time/1000 N'所用的CPU总时间ms' ,total_elapsed_time/1000 N'总花费时间ms' ,(total_elapsed_time / execution_count)/1000 N'平均时间ms' ,SUBSTRING(st.text, (qs.statement_start_offset/2) + 1, ((CASE statement_end_offset WHEN -1 THEN DATALENGTH(st.text) ELSE qs.statement_end_offset END - qs.statement_start_offset)/2) + 1) N'执行语句' FROM sys.dm_exec_query_stats AS qs CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) st where SUBSTRING(st.text, (qs.statement_start_offset/2) + 1, ((CASE statement_end_offset WHEN -1 THEN DATALENGTH(st.text) ELSE qs.statement_end_offset END - qs.statement_start_offset)/2) + 1) not like '%fetch%' ORDER BY total_elapsed_time / execution_count DESC; print ' ' print ' ' print '-------------------------------------------------------' print '24. 所有数据库高开销的缺失索引' print '-------------------------------------------------------' SELECT TOP 100 [Total Cost] = ROUND(avg_total_user_cost * avg_user_impact * (user_seeks + user_scans),0) , avg_user_impact , TableName = statement , [EqualityUsage] = equality_columns , [InequalityUsage] = inequality_columns , [Include Cloumns] = included_columns FROM sys.dm_db_missing_index_groups g INNER JOIN sys.dm_db_missing_index_group_stats s ON s.group_handle = g.index_group_handle INNER JOIN sys.dm_db_missing_index_details d ON d.index_handle = g.index_handle ORDER BY [Total Cost] DESC; print ' ' print ' ' print '-------------------------------------------------------' print '25. 查看buffer cache命中率' print '-------------------------------------------------------' SELECT (CAST(SUM(CASE LTRIM(RTRIM(counter_name)) WHEN 'Buffer cache hit ratio' THEN CAST(cntr_value AS INTEGER) ELSE NULL END) AS FLOAT) / CAST(SUM(CASE LTRIM(RTRIM(counter_name)) WHEN 'Buffer cache hit ratio base' THEN CAST(cntr_value AS INTEGER)ELSE NULL END) AS FLOAT)) * 100 AS BufferCacheHitRatio FROM sys.dm_os_performance_counters WHERE LTRIM(RTRIM([object_name])) LIKE '%:Buffer Manager' AND [counter_name] LIKE 'Buffer Cache Hit Ratio%' go print ' ' print ' ' print '-------------------------------------------------------' print '26. 查看job执行情况' print '-------------------------------------------------------' SELECT 作业名 = sj.name ,开始时间 = sja.start_execution_date ,结束时间 = sja.stop_execution_date ,状态 = CASE WHEN ISNULL(sjh.run_status,-1) = -1 AND sja.start_execution_date IS NULL AND sja.stop_execution_date IS NULL THEN 'Idle' WHEN ISNULL(sjh.run_status,-1) = -1 AND sja.start_execution_date IS NOT NULL AND sja.stop_execution_date IS NULL THEN 'Running' WHEN ISNULL(sjh.run_status,-1) =0 THEN 'Failed' WHEN ISNULL(sjh.run_status,-1) =1 THEN 'Succeeded' WHEN ISNULL(sjh.run_status,-1) =2 THEN 'Retry' WHEN ISNULL(sjh.run_status,-1) =3 THEN 'Canceled' END FROM MSDB.DBO.sysjobs sj JOIN MSDB.DBO.sysjobactivity sja ON sj.job_id = sja.job_id JOIN (SELECT MaxSessionid = MAX(Session_id) FROM MSDB.DBO.syssessions) ss ON ss.MaxSessionid = sja.session_id LEFT JOIN MSDB.DBO.sysjobhistory sjh ON sjh.instance_id = sja.job_history_id print ' ' print ' ' print '-------------------------------------------------------' print '27. 获得每个数据库空间使用情况' print '-------------------------------------------------------' CREATE TABLE #output( server_name varchar(128), dbname varchar(128), physical_name varchar(260), dt datetime, file_group_name varchar(128), size_mb int, free_mb int) exec sp_MSforeachdb @command1= 'USE [?]; INSERT #output SELECT CAST(SERVERPROPERTY(''ServerName'') AS varchar(128)) AS server_name, ''?'' AS dbname, f.filename AS physical_name, CAST(FLOOR(CAST(getdate() AS float)) AS datetime) AS dt, g.groupname, CAST (size*8.0/1024.0 AS int) AS ''size_mb'', CAST((size - FILEPROPERTY(f.name,''SpaceUsed''))*8.0/1024.0 AS int) AS ''free_mb'' FROM sysfiles f JOIN sysfilegroups g ON f.groupid = g.groupid' SELECT * FROM #output drop TABLE #output print ' ' print ' ' print '-------------------------------------------------------' print '28.Buffer Pool缓冲池里面修改过的页总数大小' print '-------------------------------------------------------' SELECT count(*) * 8/1024 as cached_pages_mb, convert(varchar(5),convert(decimal(5,2),(100-1.0*(select count(*) from sys.dm_os_buffer_descriptors b where b.database_id=a.database_id and is_modified=0)/count(*)*100.0)))+'%'modified_percentage, CASE database_id WHEN 32767 THEN 'ResourceDb' ELSE db_name(database_id) END AS Database_name FROM sys.dm_os_buffer_descriptors a GROUP BY db_name(database_id),database_id ORDER BY cached_pages_mb DESC; /* 如果一个数据库的大部分（超过80%）是修改过的，那么这个数据库写操作非常多。 反之如果这个比例接近0，那么该数据库的活动几乎是只读的。读写的比例对磁盘的安排是很重要的。 */ print ' ' print ' ' print '-------------------------------------------------------' print '29.查看 tempdb 大小和增长参数' print '-------------------------------------------------------' SELECT name AS FileName, size*1.0/128 AS FileSizeinMB, CASE max_size WHEN 0 THEN 'Autogrowth is off.' WHEN -1 THEN 'Autogrowth is on.' ELSE 'Log file will grow to a maximum size of 2 TB.' END, growth AS 'GrowthValue', 'GrowthIncrement' = CASE WHEN growth = 0 THEN 'Size is fixed and will not grow.' WHEN growth > 0 AND is_percent_growth = 0 THEN 'Growth value is in 8-KB pages.' ELSE 'Growth value is a percentage.' END FROM tempdb.sys.database_files; GO print ' ' print ' ' print '-------------------------------------------------------' print '30.查看 客户端连接IP' print '-------------------------------------------------------' SELECT distinct client_net_address FROM sys.dm_exec_connections WHERE session_id >50 and session_id != @@SPID and client_net_address not like '%<local machine>%' go print ' ' print ' ' print '-------------------------------------------------------' print '31.查看消耗性能的存储过程名、存储过程内容' print '-------------------------------------------------------' select distinct procname,text,b.cached_time, b.last_execution_time,b.total_elapsed_time, b.avg_elapsed_time, b.last_elapsed_time,b.execution_count from ( select top 1000 sql_text.text as text, sql_handle, plan_generation_num, execution_count, dbid, objectid from sys.dm_exec_query_stats a cross apply sys.dm_exec_sql_text(sql_handle) as sql_text where plan_generation_num > 1 order by plan_generation_num desc ) a, ( SELECT TOP 1000 d.object_id, d.database_id, OBJECT_NAME(object_id, database_id) 'procname', d.cached_time, d.last_execution_time, d.total_elapsed_time, d.total_elapsed_time/d.execution_count AS [avg_elapsed_time], d.last_elapsed_time, d.execution_count FROM sys.dm_exec_procedure_stats AS d ORDER BY [total_worker_time] DESC ) b where a.objectid=b.object_id order by avg_elapsed_time,execution_count desc go
转自：http://blog.csdn.net/yangzhawen/article/details/7259941